DAR File No. 32410

Environmental Quality, Drinking Water

R309-545-15

Venting

NOTICE OF PROPOSED RULE

DAR File No.: 32410
Filed: 02/26/2009, 10:31
Received by: NL

RULE ANALYSIS

Purpose of the rule or reason for the change:

The purpose of this amendment is to add a minimum downturn dimension to the requirement that a vent be downturned and at the same time remove the upper dimension for the discharge end above the earthen cover.

Summary of the rule or change:

This amendment adds a minimum downturn dimension of 2 inches below any opening to the requirement that a vent be downturned and at the same time removes the upper dimension of 36 inches for the discharge end above the earthen cover.

State statutory or constitutional authorization for this rule:

Section 19-4-104

Anticipated cost or savings to:

the state budget:

None--This amendment only clarifies this portion of rule and the change will not increase workload or require additional personnel or other funds from the state budget.

local governments:

Little to None--This amendment only clarifies this portion of rule and the change should not increase the cost to water systems owned and operated by local government.

small businesses and persons other than businesses:

None--This amendment only clarifies this portion of rule and the change will not increase workload or require additional personnel or other funds from small businesses such as consulting engineering companies.

Compliance costs for affected persons:

None--This amendment only clarifies this portion of rule and the change will not impact the cost of service to consumers of public water systems.

Comments by the department head on the fiscal impact the rule may have on businesses:

The department agrees that the proposed changes to this rule will have little to no detrimental impact on existing water system or to new public water systems. William Sinclair, Acting Executive Director

The full text of this rule may be inspected, during regular business hours, at the Division of Administrative Rules, or at:

Environmental Quality
Drinking Water
150 N 1950 W
SALT LAKE CITY UT 84116-3085

Direct questions regarding this rule to:

Bill Birkes at the above address, by phone at 801-536-4201, by FAX at 801-536-4211, or by Internet E-mail at [email protected]

Interested persons may present their views on this rule by submitting written comments to the address above no later than 5:00 p.m. on:

04/14/2009

This rule may become effective on:

04/21/2009

Authorized by:

Ken Bousfield, Director

R309. Environmental Quality, Drinking Water.

R309-545. Facility Design and Operation: Drinking Water Storage Tanks.

R309-545-15. Venting.

Drinking water storage structures shall be vented. Overflows shall not be considered as vents. Vents provided on drinking water storage reservoirs shall:

(1) Inverted Vent.

Be downturned a minimum of two inches below any opening or shielded to prevent the entrance of surface water and rainwater.

(2) Open Discharge.

On buried structures, have the discharge a minimum of 24 [to 36 ]inches above the earthen covering.

(3) Blockage.

Be located and sized so as to avoid blockage during winter conditions.

(4) Pests.

Exclude birds and animals.

(5) Dust.

Exclude insects and dust, as much as this function can be made compatible with effective venting.

(6) Screen.

Be fitted with No. 14 mesh or finer non-corrodible screen.

(7) Screen Protector.

Be fitted with additional heavy gage screen or substantial covering which will protect the No. 14 mesh screen against vandalism and, further, discourage purposeful attempts to contaminate the reservoir.

 

KEY: drinking water, storage tanks, access, overflow and drains

Date of Enactment or Last Substantive Amendment: April, 2009[March 8, 2006]

Notice of Continuation: April 2, 2007

Authorizing, and Implemented or Interpreted Law: 19-4-104